Phobos just off Mars' limb from Phobos 2

Russian Academy of Sciences / Ted Stryk

Phobos just off Mars' limb from Phobos 2

This view of Mars and its moon Phobos, 25 kilometers in diameter, was captured by the Phobos 2 spacecraft on February 28, 1989. Phobos 2 took a total of 13 color sets of images of Phobos before contact was lost on March 27, 1989.